Napa Valley

Napa Valley AVA is an American Viticultural Area located in Napa County, California, United States. Napa Valley is considered one of the premier wine regions in the world.[4] Records of commercial wine production in the region date back to the nineteenth century,[5] but premium wine production dates back only to the 1960s.[4]

https://en.wikipedia.org/wiki/Napa_Valley_AVA